ES2216422T3 - SEAT FOR A SLIDING CAR, CHAIR OR SIMILAR. - Google Patents

Abstract

The seat (10) has a seat-surface (11) and swiveling backrest (12) the relative positions of which are coordinated. Displacement of the backrest causes the seat surface to slide along a preferably straight track in relation to the support frame. Part of the seat surface is movably mounted on preferably two parallel guides moving along base parts (15). At least part of the seat surface has preferably two rocker bearings (23). The seat is detachably connected by couplings, especially claws (17) to the support frame.

Description

Seat for a sliding car, chair or Similary.

The invention relates to a seat especially for a sliding car, chair or similar, depending on the preamble of claim 1; it is already known by the document DE-A-393657 an east seat type.

The seat described here can be used in sliding cars, that is, in children's cars, especially called sports cars, as well as cars for people disabled, especially disabled children or young people, or in chairs Preferably, the seat can be folded, so that, when it is not used (for example, in a car), it can be stored saving space Known seats of the type mentioned at principle they have an articulated backrest. The backup can be articulate from a vertical or almost vertical position, in which the children or disabled people adopt a vertical seating position, up to a total or almost completely horizontal position, in which children or young are lying. Especially when the seat receives Severe disabled young people, the weight of them leads, when the backrest moves from a horizontal position to a position of seat, at a considerable displacement of the center of gravity of the person in the seat with respect to the translation frame of a sliding car, a chair or similar. From this one displacement of the center of gravity derives the danger of a rollover of the sliding car, chair or similar.

Based on the above, the invention has the task of creating a seat especially for children and / or disabled people, in which the danger of rollover of the sliding carriage provided with the seat or of the chair.

The seat for the solution of this task it has the characteristics of claim 1. Since during the articulation of the seat backrest the position of the seating surface, a displacement of the center of gravity of the person in the car sliding, which occurs through the backrest joint. Therefore, it does not take place or only to a non-essential extent a displacement of the center of gravity, which leads to a turnaround of the sliding carriage, chair or similar.

Preferably, the seat is configured as such that, by means of a backrest joint, you can move the seating surface and especially also the backing along a path with linear preference versus to a sliding frame of the sliding carriage or in front of a chair frame, such as a support frame. This way, practically the entire seat moves in front of the frame of support, when through the backrest joint, the person sitting in the seat stands up from a horizontal or inverse position. The respective person is displaced in this way with the seat, so that the center gravity of the person is always in such a position in front of the translation frame, chair frame or similar, that these cannot be overturned.

According to a preferred configuration of the invention, the seat, and in particular especially with the seat surface, is movable housed with preference in two parallel guide bodies. The guide bodies preferably form guide paths that extend approximately horizontal But they can also descend slightly to the side of the feet of the person sitting in the seat, which facilitates an upright position of the person through the back up deployment.

In addition, it is planned to join the backup articulated with the seating surface. This is done with preference by means of two tilting bearings, which are especially fixedly associated on opposite sides at least to a part of the seating surface. In the swing bearings the backrest is rotatably articulated and specifically to through points of articulation, the points of being located articulation of the two rocker bearings spaced apart from each other on an imaginary common joint axis, which extends, directed horizontally, transversely to the direction of movement, for example, of the expensive slider. Articulation swivel of the backrest on the seat surface enables move the entire seat, but preferably at least only one part of the seating surface, with respect to the frame of support. To this end, the tilting bearings are mounted in movable shape on or next to guide bodies.

According to an advantageous configuration of the invention, the guide members are formed by socket parts or either by guide paths, the parts of the socket longitudinally on the guide paths. With Preferably, the parts of the socket are configured for this purpose as bush-shaped guides, which surround the guide paths. The parts of the socket also have other functions: for one part, serve to fix, with the help of coupling means corresponding, the seat and the guide paths in the support frame, for example in a translation frame of the sliding car This is carried out, according to another idea of the invention, for which independent protection is requested, because the seat with the guide paths and the parts of the Socket can be separated from the support frame. On the other hand, the parts of the socket serve to modify the distance of a footrest, fixed on the guide paths, facing the backrest, for adapting the seat depth to children or young people of different stature.

Guide paths can be formed preferably by linear guide rods. These rods of guide are in a more convenient way rigid in all addresses. In addition, it is conceivable to form the guide paths to from flexible or elastic chains or profiles in a address. The rigid properties of the chains or profiles are enough to guide the seat, especially at least a part of the seating surface, in a defined scrollable manner. In another direction, which preferably extends perpendicularly to the direction, in which the chains or profiles are rigid, the chains or profiles are elastic or flexible. In this way, it is possible to keep guide paths relatively small, because that part of them, which is not needed in that moment for the seat guide, you can move out of the trajectory of the guide itself.

According to a preferred configuration of the seat according to the invention, the backrest is connected with at least one part of the socket through a coupling member. With preferably, at least one coupling member is provided between the backrest and every part of the socket. Coupling member respective is articulated, at a distance from the point of articulation of the corresponding tilting bearing, for the backrest joint with the seating surface. In this way, you get that during the rotation of the backrest around the pivot points in the tilting bearings, coupling members, which are supported in the parts of the socket, move the tilting bearings with the pivot points, and modify the seating surface on your position with respect to the translation frame or other frame support. Due to the backrest joint on the surface of seat, the backrest collaborates in the modification of the position of the seating surface or a part thereof. However, this movement is superimposed with the tilting movement of the backrest, thereby carrying out a relative movement between the backrest, on the one hand, and the seating surface, on the other hand. This modification of the position of the backrest and the surface of seat leads to the seat and, specifically, essentially only the seating surface or at least a part of it, adopt a modified position, so that the center of gravity of the person who is sitting or lying in the seat is not modified or not to a considerable extent with respect to the support frame in horizontal direction and in this way it is avoided that in the case of backrest and position modification, caused by this way, of the person who sits or is lying, there is the danger of tilting the sliding car, the chair or Similary.

According to a preferred configuration of the invention, the or each coupling member is articulated in the backrest and in the respective part of the socket, so that, when the seat is folded, that is, when the backrest is turned towards the seating surface, the coupling member respective vertically cut the axis of rotation (imaginary) that is extends through the pivot points of the bearings tilting In this way, it is achieved, that during folding initial of the backrest towards the seat surface, the seat is move in one direction, and during the complete folding of the backrest towards the seat surface, move back in the opposite direction. The consequence is that the folded seat occupies Especially little space.

An example is explained in detail below. preferred embodiment of the seat according to the invention with the help of the drawing. In this:

Figure 1 shows a perspective view of the seat, tilted from below.

Figure 2 shows a perspective view of the seat of figure 1, tilted from behind.

Figure 3 shows a section III-III (enlarged) through a guide rod of the seat of figures 1 and 2.

Figure 4 shows a side view of the seat with an articulated backrest facing up in a position of seat.

Figure 5 shows a seat in a view according to the Figure 4 with adjusted footrest.

Figure 6 shows the seat in a position horizontal with the backrest folded down in a similar view to figure 4, and

Figure 7 shows the seat in the state folded in a view according to figures 4 to 6.

In the seat 10 of the invention, shown in the figures, it can be a seat for a sliding car, especially a children's car, a sports car or a car transport for disabled children or young people, or for a chair, by example, a high chair for children, or similar. The seat 10 is detachably fixed on a translation frame 35, shown only partially in figure 4, for example of a car as a child.

The seat 10 has a surface of seat 11 of several parts, approximately horizontal, and of a backrest 12. Backrest 12 is attached to the seating surface 11 rotatably around a horizontal axis of rotation 13. The backrest 12 can be rotated with respect to the seating surface 11 to the point that, starting from a seating position slightly inclined (figure 4), it can be extended both to a approximately horizontal lying position (figure 6), in which the seating surface 11 and backrest 12 form approximately a continuous lying surface, as well as a position of transport (figure 7) folded towards the seating surface 11.

The seat 10 additionally presents a infrastructure 14. This infrastructure 14 presents parts of socket 15 arranged on opposite longitudinal sides of the seat 10, which are configured as a socket. The parts of socket 15 are arranged so that they extend parallel each other at a reduced distance below the seating surface 11 and extend approximately horizontal as the surface of seat 11. The two parts of the parallel socket 15 on sides opposites of the seating surface 11 are joined by means of crossbars 16 both in their front end zones as also in its extreme rear zones. The stringers transverse 16 are fixed at opposite ends of the parts of socket 15 and extend at a distance parallel to each other.

To each crossbar 16 are associated two retention claws 17, which serve for the removable joint, that is, of retention, of the seat 10 with the translation frame 35 represented schematically in Figure 6, that is, With a top section. In this way, the seat 10 can be attach to the top of the translation frame 35. The seat 10 can also be decoupled outside the frame of translation 35, to be installed elsewhere, for example for attach it to a chair frame, for which purpose the retaining claws 17. This removable joint of seat 10 with different support racks refers to an autonomous idea of the invention. In this case, it is also a development advantageous seat 10.

The retention claws 17 are joined through of the crossbars 16 under the parts of the socket 15 with the parts of the socket. The retention claws 17 are mounted out of center on crossbars 16. Each of the retention claws 17 configured in the same way are provided with a slightly elongated retention jaw 36, Open on one side. The retention jaws 36 are configured in such a way that they can be coupled from the open side with effect of retention on crossbars of the frame of translation 35, which extend in parallel below the crossbars 16 of the infrastructure 14 of the seat 10, or from another support frame.

In place of retention claws 17 described can also find application other organs of coupling for removable connection of seat 10 with a support frame, especially the translation frame 35.

To each of the parts of the socket 15 in shape of cap, configured in the same way, is associated a guide rod 18. The parts of the socket 15 form guide members of the guide rods 18. The guide rods 18 that extend under seat 10, in opposite marginal areas directed at the longitudinal direction, they are mounted displaceably in the Socket-shaped socket parts 15.

The front ends in the direction of the vision of the person in seat 10 (address longitudinal of the seat), that is, associated to the front side of the seat 10, of the two guide rods 18 are joined together by middle of a naughty 19. This naughty 19, which extends, so therefore, transversely to the longitudinal axis of the guide rods 18, serves to fix a swivel footrest 20 in the infrastructure 14. In addition, in the embodiment shown, the front part 21 of the surface is fixed on the crossbar 19 of seat 11 configured of two parts.

A second part of the seating surface 11, namely, a rear part 22, is joined on opposite sides, respectively, with a tilting bearing 23. The backrest 12 is rotatably connected to the seating surface 11 through the swivel bearings 23 are set equally. To that end, each tilting bearing 23 forms a swivel joint 24 between the backrest 12 and the seating surface 11 or the rear part 22 of the seating surface 11. Each swivel joint 24 it has a turning point 2, the turning points being arranged 25 of the two rotating joints 24 of the bearings tilting 23 on opposite sides of the horizontal axis of rotation 13 and extending transversely to guide rods 18.

The two rocker bearings 23 can be shift in the longitudinal direction both with respect to the parts of socket 15 as well as with respect to the rods of guide 18, and specifically in the direction of the march and against the direction of travel, for example, of a sliding carriage that carries the seat 10. The tilting bearings 23 are guided in this case in corresponding guides of the guide rods 18. In the guide rods 18 shown here, the guides are formed by T-shaped slots 26, which extend in the direction length of guide rods 18. In the example of embodiment shown (figure 3), each guide rod 18 presents four equal slots 26, evenly distributed in the periphery. Only in a groove 26 of each guide rod 18, the corresponding tilting bearing 23 can be moved by means of a guide rib 27 correspondingly configured in the rocker bearing 23. The remaining grooves 26 are not occupied on the guide rods 18. Otherwise, it is sufficient that each guide rod 18 has only a single groove 26. The guide rods 18 may have cross sections discretionary, so that the invention is not limited to the configuration shown (figure 3) of the guide rods 18.

By means of the movable guide longitudinally of the guide ribs 27 of the bearings tilting 23 in slots 26, which extend in the direction length of the guide rods 18, the rocker bearings 23 along guide rods 18. By means of joining the tilting bearings 23 with the part rear 22 of the seating surface 11, in the case of a displacement of the tilting bearings 23, moves of a side by side the part of the seating surface 11, formed by the rear, in the longitudinal direction of the seat 10. In In this case, a drag of the backrest 12 joined in the tilting bearings 23 in a rotating way around the shaft turn 13.

Each part of socket 15 is provided with a longitudinal groove 28. Through the longitudinal grooves 26 guide ribs 27 are guided under the bearings swingarms 23. The longitudinal grooves 28 are sized such that the tilting bearings 23 can move as far as length of the parts of the socket 15. This way, it is guaranteed that, in the case of a rollover of the backrest 12 of the seat 10, the tilting bearings 23 can move without obstacles in front of the parts of the socket 15.

The two parts of the seat surface 11 are detachably linked to each other by means of organs of mooring not shown in the figures. If the union of the front part 21 with rear part 22, can be moved towards front or rear footrest 20 with front part 21 with with respect to the remaining seat 10. This carries out a drag of the guide rods 18, which thus move in the Socket-shaped socket parts 15. Through the guide Sliding of the tilting bearings 23 with the rear part 22 of the seating surface 11 fixed in the center on the rods Guide 18 does not change the position of the swing bearings 23 with respect to the parts of the socket 15 in the case of footrest offset 20. In this way, it can be performed an adjustment of the footrest 20 in relation to the seat 10 with the except for the front part 21 of the seating surface 11 which is fixed on the sleeper 19.

Alternatively, it is conceivable to accommodate the tilting bearings 23 in a movable way in the longitudinal direction in the parts of the socket 15. In this way, a slide joint and a bearing guide are suppressed swingarms 23 on the guide rods 18.

The backrest 12 can be tied in the bearings swingarms 23 by means of tie screws 34. Through the tighten the clamp bolts 34, which extend through the pivot points 25 of the tilting bearings 23 ensures the backrest 12 in their respective position, so you can no longer overturn.

The backrest 12 is surrounded by a frame 29, which has two side parts 30 angled in the form of a tube. The side portions 30 have transverse tubes 31 and 32, formed integrally in its opposite or well separated extreme zones. In horizontal transverse tubes 31 and 32, and extending to parallel distance transversely to the longitudinal direction of the seat 10 the surface of the seat backrest is fixed 10.

The backrest 12 is connected to the parts of the socket 15 by means of the side parts 30 of the frame 29, by one part, through the pivot points 25 with the bearings tilters 23 on opposite side parts of the surface of seat 11 and, on the other hand, through two members of coupling, which are configured as coupling rods 33 in the embodiment shown. Each of the rods coupling 33 configured the same is attached at one end to distance from the respective pivot point 25 with the side part 30 of the frame 29. The other end of each coupling rod 33 it is also rotatably connected with a socket part 15 respective.

By means of the coupling rods 33, keeps the distance between the articulation points of the same in the frame 29 of the backrest 12 facing the points of articulation in the parts of the socket 15 in the case of articulation of the backrest 12. Due to the distance of the pivot points 25 with regarding the points of articulation of the rods of coupling 33 in frame 29 this results in that in the case of articulation of the backrest 12 of the seat 10, move the rocker bearings 23 and guide rods 18 in front of the parts of the socket 15.

The adjustment is explained in detail below. of seat 10 with reference to figures 4 to 7:

Figure 4 shows the seat 10 with the backrest 12 deployed vertically upwards and with footrest 20 fully inserted The seating surface 11 is shortened by this way to the greatest extent possible, overlapping greatly the front part 21 and the rear part 22 of the surface of seat 11.

Figure 5 shows the seat 10 with the footrest 20 removed to the maximum. The seating surface 11 it has a maximum size, overlapping only yet slightly the front part 21, which forms the seating surface 11, and the rear 22.

Adjusting the footrest 20 with the part front 21 of the seating surface 11 associated with that carried out by first releasing the mooring between the part front 21 and rear 22 and, with backrest 12 tied, that is, not collapsible, moving the guide rods 18 with the footrest 20 in the parts of socket 15. In this case, it remains unchanged the position of the tilting bearings 23 facing the parts of socket 15 (see figures 4 and 5), so it is not also does not change the position of the rear part 22 of the surface of seat 11. Therefore, during footrest adjustment 20 only the relative position of the guide rods is modified 18 and from the front 21 of the front seating surface 11 to the fixed rear part 22, the parts of the socket 15 and the bearings swingarms 23. After adjusting the position of the footrest 20 of the front part 21 of the seating surface 11, the front part 21 is tied again in front of the part rear 22 of the seating surface 11, thereby also tilting bearings 23 are moored in a way not movable along the guide rods 18.

Figures 6 and 7 show different positions of the backrest 12 with the same position of the footrest 20 with respect to the seat and with the seating surface 11 of the same size and the Same seat depth.

In Figure 6, the backrest 12 is fully dejected backwards, bringing the person in the Seat 19 reaches a reclining opposition. To lower the backrest 12 backward, the clamping bolts are loosened first 34 in the areas of the pivot points 25 between the backrest 12 and the tilting bearings 23 on opposite sides of the rear 22 of the seating surface 11. In this way the backrest 12 back to the approximately horizontal position, shown in figure 6. During this rotation of the backrest 12, maintains constant, through the coupling rods 33 the distance between their articulation in the parts of the socket 15, on the one hand, and the frame 29 of the backrest 12, on the other side. The consequence is that through the union of the part front 21 with the rear 22 of the seating surface 11 and fixing the front part 21 by means of the crossbar 19 guide rods 18 move on guide rods 18 together with the tilting bearings 23 facing the parts of the socket 15, and specifically in such a way that the ends of the guide rods 18, which support the footrest 15, are displaced forward further out of the parts of the socket 15. By middle of the backrest 12 turned down the surface shifts of seat 11 forward towards footrest 20. East displacement of seat 10, transformed into a surface horizontal, it leads to the center of gravity shifted towards behind the person in seat 10, when adopting a lying position is modified in such a way that the center of gravity of the person lying in the horizontal direction corresponds approximately to the center of gravity of the person sitting. The displacement of the center of gravity through the modification of the sitting position to the lying position is compensated in this way to an essential extent in the direction horizontal, which compensates for the danger of a car overturning sliding, provided, for example, with the seat 10, during the backrest joint 12.

Figure 7 shows the seat 10 folded, in the that the backrest 12 is folded from above towards the surface of seat 11. In this case, it remains equally constant again by means of the coupling rods the distance of their points of articulation in the lateral parts 30 of the frame 20 of the backrest 12, on the one hand, and the parts of socket 15, on the other part. In this way, a displacement of the seating surface 11 with the tilting bearings 23 and the guide rods 18 facing the parts of socket 15. This displacement is carried out during the folding of the backrest 12 on the seating surface 11 in opposite directions, and in concrete first forward towards the footrest 20 and then back. This is achieved because the rods coupling 33 are rotated beyond the joints rotating 24 and in this case cut the axis of rotation 13 (imaginary) which extends through the pivot points 25. The rods of coupling 23 move in this case beyond a neutral of the axis of rotation 13, which results in displacement mentioned opposite of guide rods 18 with seat 10 in front of the parts of socket 15, which can reduce the travel of the guide rods 18 in front of the parts of the socket 15. From this guide rods are obtained 18 shorter and a generally compact type of construction seat 10, and especially its infrastructure 14.

List of reference signs

10

Seat

eleven

Surface of seat

12

Back

13

Axis of turn

14

Infrastructure

fifteen

Part of plinth

16

Crossbar cross

17

Claw retention

18

Rod guide

19

Naughty

twenty

Footrest

twenty-one

Part lead

22

Part rear

2. 3

Bearing swingarm

24

Joint swivel

25

Point of turn

26

Groove

27

Rib of guide

28

Groove longitudinal

29

Frame

30

Part side

31

Tube cross

32

Tube cross

33

Rod coupling

3. 4

Screw tie up

35

Frame translation

36

Jaw of retention

Claims (12)

1. Seat for a sliding car, chair or similar, especially for children and / or disabled people, with a seating surface (11), with guide paths associated with the seating surface (11) as well as with an articulated backrest ( 12), which is connected to the seating surface (11) through tilting bearings (23), which are associated with at least a part of the seating surface (11), with the backrest (12) being associated with at least one coupling member (33), through which at least a part of the seating surface (11) can be displaced with the backrest joint (12), characterized in that the pivot bearings (23) are mounted on the guide paths and, in addition, socket parts (15), and because the backrest (12) is connected, through at least one coupling member (33), with at least one of the parts of the socket (15), being movable the guide paths and the parts of the socket (15) relatively between yes during the backrest joint (12). 2. Seat according to one of the preceding claims, characterized in that at least a part of the seating surface (11) is preferably fixedly associated with two tilting bearings (23), and the backrest (12) is preferably articulatedly mounted. on the rocker bearings (23). 3. Seat according to one of the preceding claims, characterized in that the guide members are configured as guide paths and as skirting parts (15) guided in a displaceable manner especially along the same, preferably at least one part being movable of the seating surface (11) with the tilting bearings (23) with respect to the guide paths and / or the parts of the socket (15). 4. Seat according to one of the preceding claims, characterized in that the tilting bearings (23) are movable in relation to the parts of the socket (15), preferably in the longitudinal direction of the guide paths and especially together with them. 5. Seat according to one of the preceding claims, characterized in that it can be joined, together with the tilting bearings (23) and the guide paths as well as the parts of the socket (15), preferably in a removable manner with a support frame . 6. Seat according to one of the preceding claims, characterized in that it can be coupled through coupling means, especially retaining claws (17), in a removable manner in the support frame, the coupling means being preferably arranged, especially the retention claws (17), in the parts of the socket (15). 7. Seat according to one of the preceding claims, characterized in that the or each coupling member is articulated, as a coupling rod (33), in the backrest (12) and in the respective part of the socket (15), such that During the articulation of the backrest (12), the tilting bearings (23) and the guide paths can be moved with the backrest (12) and the seating surface (11), along the parts of the socket (15). Seat according to one of the preceding claims, characterized in that the or each coupling member is articulated, as a coupling rod (33), in the backrest (12) and in the part or in each part of the socket (15), of such that, when the seat (10) is folded, the or each coupling member, as coupling rod (33), cuts an imaginary pivot shaft (13), which connects the pivot points (25) between the backrest (12) and rocker bearings (23). 9. Seat according to one of the preceding claims, characterized in that the guide paths are joined with a footrest (20), whose distance with respect to the backrest (12) is preferably variable, especially through displacement at least with respect to the parts of the socket (15). 10. Seat according to one of the preceding claims, characterized in that the seating surface (11) is formed of several parts, preferably it is formed by a front part (21) and a rear part (22), the rear part being specially joined (22) of the seating surface (11) fixedly with the swivel bearings (23), while the front part (21) is fixedly connected with the guide paths. 11. Seat according to one of the preceding claims, characterized in that, seen in the longitudinal direction of the guide paths, the front part (21) is movable with respect to the rear part (22) of the seating surface (11), and preferably the front part (21) and the rear part (22) of the seating surface (11) can be moored in a non-movable manner. 12. Seat according to one of the preceding claims, characterized in that the guide paths are configured as guide rods (18) or as flexible or elastic chains or profiles in one direction and rigid in the other direction.